ede/evoke/EvokeService.cpp

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2009-02-19 11:12:29 +03:00
/*
* $Id$
*
* Evoke, head honcho of everything
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2007-2009 EDE Authors.
*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <edelib/File.h>
#include <edelib/Debug.h>
#include <edelib/Config.h>
#include <edelib/Resource.h>
#include <edelib/StrUtil.h>
#include <edelib/MessageBox.h>
#include <edelib/Nls.h>
#include "EvokeService.h"
#include "Splash.h"
#include "Logout.h"
#include "Xsm.h"
EDELIB_NS_USING(Config)
EDELIB_NS_USING(Resource)
EDELIB_NS_USING(RES_SYS_ONLY)
EDELIB_NS_USING(file_exists)
EDELIB_NS_USING(file_remove)
EDELIB_NS_USING(str_trim)
#ifdef USE_LOCAL_CONFIG
#define CONFIG_GET_STRVAL(object, section, key, buff) object.get(section, key, buff, sizeof(buff))
#else
#define CONFIG_GET_STRVAL(object, section, key, buff) object.get(section, key, buff, sizeof(buff), RES_SYS_ONLY)
#endif
static Atom XA_EDE_EVOKE_SHUTDOWN_ALL;
static Atom XA_EDE_EVOKE_QUIT;
static int get_int_property_value(Atom at) {
Atom real;
int format;
unsigned long n, extra;
unsigned char* prop;
int status = XGetWindowProperty(fl_display, RootWindow(fl_display, fl_screen),
at, 0L, 0x7fffffff, False, XA_CARDINAL, &real, &format, &n, &extra,
(unsigned char**)&prop);
int ret = -1;
if(status != Success && !prop)
return ret;
ret = int(*(long*)prop);
XFree(prop);
return ret;
}
EvokeService::EvokeService() : lock_name(NULL), xsm(NULL), is_running(false) {
/* TODO: or add setup_atoms() function */
XA_EDE_EVOKE_SHUTDOWN_ALL = XInternAtom(fl_display, "_EDE_EVOKE_SHUTDOWN_ALL", False);
XA_EDE_EVOKE_QUIT = XInternAtom(fl_display, "_EDE_EVOKE_QUIT", False);
}
EvokeService::~EvokeService() {
E_DEBUG(E_STRLOC ": EvokeService::~EvokeService()\n");
clear_startup_items();
stop_xsettings_manager(true);
remove_lock();
}
EvokeService* EvokeService::instance(void) {
static EvokeService es;
return &es;
}
bool EvokeService::setup_lock(const char* name) {
if(file_exists(name))
return false;
FILE* f = fopen(name, "w");
if(!f)
return false;
fclose(f);
lock_name = strdup(name);
return true;
}
void EvokeService::remove_lock(void) {
if(!lock_name)
return;
file_remove(lock_name);
free(lock_name);
lock_name = NULL;
}
void EvokeService::clear_startup_items(void) {
E_DEBUG(E_STRLOC ": EvokeService::clear_startup_items()\n");
if(startup_items.empty())
return;
StartupItemListIter it = startup_items.begin(), it_end = startup_items.end();
for(; it != it_end; ++it)
delete *it;
startup_items.clear();
}
void EvokeService::read_startup(void) {
#ifdef USE_LOCAL_CONFIG
/*
* this will load SETTINGS_FILENAME only from local directory;
* intended for development and testing only
*/
Config c;
int ret = c.load("ede-startup.conf");
#else
/* only system resource will be loaded; use ede-startup will be skipped */
Resource c;
int ret = c.load("ede/ede-startup");
#endif
if(!ret) {
E_WARNING(E_STRLOC ": Unable to load EDE startup file\n");
return;
}
char tok_buff[256], buff[256];
/* if nothing found, exit */
if(!CONFIG_GET_STRVAL(c, "Startup", "start_order", tok_buff))
return;
if(CONFIG_GET_STRVAL(c, "Startup", "splash_theme", buff))
splash_theme = buff;
for(const char* sect = strtok(tok_buff, ","); sect; sect = strtok(NULL, ",")) {
/* remove leading/ending spaces, if exists */
str_trim(buff);
/* assure each startup item has 'exec' key */
if(!CONFIG_GET_STRVAL(c, sect, "exec", buff)) {
E_WARNING(E_STRLOC ": Startup item '%s' does not have anything to execute. Skipping...\n", sect);
continue;
}
StartupItem *s = new StartupItem;
s->exec = buff;
if(CONFIG_GET_STRVAL(c, sect, "icon", buff))
s->icon = buff;
if(CONFIG_GET_STRVAL(c, sect, "description", buff))
s->description = buff;
startup_items.push_back(s);
}
}
void EvokeService::run_startup(bool splash, bool dryrun) {
if(startup_items.empty())
return;
Splash s(startup_items, splash_theme, splash, dryrun);
s.run();
clear_startup_items();
}
void EvokeService::start_xsettings_manager(void) {
xsm = new Xsm;
if(Xsm::manager_running(fl_display, fl_screen)) {
int ret = edelib::ask(_("XSETTINGS manager already running on this screen. Would you like to replace it?"));
if(ret < 1) {
stop_xsettings_manager(false);
return;
}
}
if(!xsm->init(fl_display, fl_screen)) {
edelib::alert(_("Unable to load XSETTINGS manager properly :-("));
stop_xsettings_manager(false);
}
E_RETURN_IF_FAIL(xsm);
if(xsm->load_serialized())
xsm->notify();
}
void EvokeService::stop_xsettings_manager(bool serialize) {
if(!xsm)
return;
if(serialize)
xsm->save_serialized();
delete xsm;
xsm = NULL;
}
int EvokeService::handle(const XEvent* xev) {
if(xsm && xsm->should_terminate(xev)) {
E_DEBUG(E_STRLOC ": Terminating XSETTINGS manager on request by X event\n");
stop_xsettings_manager(true);
return 1;
}
if(xev->xproperty.atom == XA_EDE_EVOKE_QUIT) {
int val = get_int_property_value(XA_EDE_EVOKE_QUIT);
if(val == 1)
stop();
}
if(xev->xproperty.atom == XA_EDE_EVOKE_SHUTDOWN_ALL) {
int val = get_int_property_value(XA_EDE_EVOKE_SHUTDOWN_ALL);
if(val == 1) {
int dw = DisplayWidth(fl_display, fl_screen);
int dh = DisplayHeight(fl_display, fl_screen);
logout_dialog_show(dw, dh, LOGOUT_OPT_SHUTDOWN | LOGOUT_OPT_RESTART);
}
}
return 0;
}